Home / 15,190.66-22,787.88-6,423.36

Finding the Fourth Proportional to 15,190.66, 22,787.88 and 6,423.36

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Solution

The fourth proportional to 15,190.66, 22,787.88 and 6,423.36 is: 9,635.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,190.66 : 22,787.88 = 6,423.36 : x
  2. Step 2: Convert to fraction form
    15,190.66/22,787.88 = 6,423.36/x
  3. Step 3: Cross multiply
    15,190.66x = 22,787.88 × 6,423.36
  4. Step 4: Simplify right side
    15,190.66x = 146,374,756.88
  5. Step 5: Solve for x
    x = 146,374,756.88/15,190.66
  6. Step 6: Final answer
    x = 9,635.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.